package com.gxa.common.utils;

import org.springframework.boot.configurationprocessor.json.JSONObject;

import javax.servlet.http.HttpServletRequest;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.ProtocolException;
import java.net.URL;

public class IpUtils {
    /**
     * 获取登录用户的IP地址
     *
     * @param request
     * @return
     */
    public static String getIpAddr(HttpServletRequest request) {
        String ip = request.getHeader("x-forwarded-for");
        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
            ip = request.getHeader("Proxy-Client-IP");
        }
        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
            ip = request.getHeader("WL-Proxy-Client-IP");
        }
        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
            ip = request.getRemoteAddr();
        }
        if ("0:0:0:0:0:0:0:1".equals(ip)) {
            ip = "127.0.0.1";
        }
        if (ip.split(",").length > 1) {
            ip = ip.split(",")[0];
        }
        return ip;
    }

    /**
     * 通过IP获取地址(需要联网，调用淘宝的IP库)
     *
     * @param ip
     * @return
     */
//    public static String getIpInfo(String ip) {
//        if ("127.0.0.1".equals(ip)) {
//            ip = "127.0.0.1";
//        }
//        String info = "";
//        try {
//            URL url = new URL("http://ip.taobao.com/service/getIpInfo.php?ip=" + ip);
//            HttpURLConnection htpcon = (HttpURLConnection) url.openConnection();
//            htpcon.setRequestMethod("GET");
//            htpcon.setDoOutput(true);
//            htpcon.setDoInput(true);
//            htpcon.setUseCaches(false);
//
//            InputStream in = htpcon.getInputStream();
//            BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(in));
//            StringBuffer temp = new StringBuffer();
//            String line = bufferedReader.readLine();
//            while (line != null) {
//                temp.append(line).append("\r\n");
//                line = bufferedReader.readLine();
//            }
//            bufferedReader.close();
//            JSONObject obj = (JSONObject) JSON.parse(temp.toString());
//            if (obj.getIntValue("code") == 0) {
//                JSONObject data = obj.getJSONObject("data");
//                info += data.getString("country") + " ";
//                info += data.getString("region") + " ";
//                info += data.getString("city") + " ";
//                info += data.getString("isp");
//            }
//        } catch (MalformedURLException e) {
//            e.printStackTrace();
//        } catch (ProtocolException e) {
//            e.printStackTrace();
//        } catch (IOException e) {
//            e.printStackTrace();
//        }
//        return info;
//    }
}
